The Imaging Drum Kit from Dell is specifically designed for use with Dell Smart Printer S2825/H825/H625. The Imaging Drum Kit applies toner to the page. It offers a usable life of up to 50000 page impressions. This product has been tested and validated on Dell systems. It is supported by Dell Technical Support when used with a Dell system.Compatible Printers: Dell H 820 Series, Dell H 825, Dell H 625 cdw, Dell S 2825 cdn, Dell H 825 cdw